# Power Inductor (SMD), 220 µH, 170 mA, Unshielded, 190 mA, SDR0302 Series

![Product image](https://novapart.co/image/farnell:2328681RL/)

**URL**: https://novapart.co/products/SDR0302-221KL/power-inductor-smd-220-h-170-ma-unshielded-190
**SKU**: SDR0302-221KL
**Manufacturer**: BOURNS
**Category**: Passive Components || Inductors || Power Inductors || SMD Power Inductors
**Price**: €0.1810
**Stock**: 100+
**Lead Time**: 106 days (indicative)

## Description

Inductance:220µH; RMS Current (Irms):170mA; Inductor Construction:Unshielded; Saturation Current (Isat):190mA; Product Range:SDR0302 Series; Power Inductor Case:3mm x 2.8mm x 2.5mm; DC R

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| Inductance | 220µH |
| Product Range | SDR0302 Series |
| Product Width | 2.8mm |
| Product Height | 2.5mm |
| Product Length | 3mm |
| Dc Resistance Max | 5.7ohm |
| Rms Current (Irms) | 170mA |
| Inductance Tolerance | ± 10% |
| Inductor Construction | Unshielded |
| Inductor Case / Package | - |
| Saturation Current (Isat) | 190mA |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2328681RL/)

## **Features** 

## **Applications** 

## **Features Applications** Available in E12 series Input/output of DC/DC converters Low profile of only 2.5 mm Power supplies for: • Low inductance values Portable communication equipment • Camcorders RoHS compliant* • LCD TVs • Car radios **SDR0302 Series - SMD Power Inductors** POURNS’ Si 

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Electrical Specifications<br>**----- End of picture text -----**<br>


|**Bourns Part No.**<br>~~pty~~|**Inductance**<br>**@100 kHz / 0.1 V**<br>~~pty~~|**Inductance**<br>**@100 kHz / 0.1 V**<br>~~pty~~|**Q**<br>**Ref.**<br>~~pty~~|**Test**<br>**Frequency**<br>**(MHz)**<br>~~ET~~|**SRF**<br>**Min.**<br>**(MHz)**<br>~~ET~~|**RDC**<br>**Max.**<br>**(**Ω<br>**)**<br>~~ET~~|**I rms**<br>**Max.**<br>**(A)**<br>~~ET~~|**I sat**<br>**Typ.**<br>**(A)**<br>~~ET~~|
|---|---|---|---|---|---|---|---|---|
||**(**μ<br>**H)**<br>~~pty~~|**Tol. %**<br>~~pty~~|||||||
|SDR0302-1R0ML<br>~~pty~~|1.0<br>~~pty~~|± 20<br>~~pty~~|20<br>~~pty ~~|**()**<br>7.96<br> ~~ET~~|**()**<br>125.0<br>~~ET~~|**(**<br>**)**<br>0.06<br>~~ET~~|**()**<br>2.100<br>~~ET~~|**()**<br>2.700<br>~~ET~~|
|SDR0302-1R2ML|1.2|± 20|22|7.96|100.0|0.07|2.000|2.500|
|SDR0302-1R4ML|1.4|± 20|22|7.96|95.0|0.07|1.500|2.300|
|SDR0302-1R5ML|1.5|± 20|23|7.96|95.0|0.07|1.900|2.300|
|SDR0302-1R8ML|1.8|± 20|23|7.96|85.0|0.08|1.800|2.000|
|SDR0302-2R2ML|2.2|± 20|22|7.96|75.0|0.09|1.650|1.850|
|SDR0302-2R7ML|2.7|± 20|22|7.96|72.0|0.10|1.500|1.700|
|SDR0302-3R3ML|3.3|± 20|23|7.96|68.0|0.11|1.400|1.600|
|SDR0302-3R9ML|3.9|± 20|24|7.96|50.0|0.12|1.300|1.500|
|SDR0302-4R7ML|4.7|± 20|18|7.96|45.0|0.15|1.200|1.350|
|SDR0302-5R6ML|5.6|± 20|18|7.96|42.0|0.16|1.100|1.300|
|SDR0302-6R8ML|6.8|± 20|18|7.96|40.0|0.18|1.000|1.200|
|SDR0302-8R2ML|8.2|± 20|16|7.96|35.0|0.20|0.900|1.050|
|SDR0302-100ML|10.0|± 20|18|2.52|34.0|0.25|0.800|0.900|
|SDR0302-120ML|12.0|± 20|15|2.52|33.0|0.28|0.750|0.850|
|SDR0302-150ML|15.0|± 20|20|2.52|32.0|0.40|0.650|0.800|
|SDR0302-180ML|18.0|± 20|18|2.52|28.0|0.46|0.580|0.750|
|SDR0302-220ML|22.0|± 20|23|2.52|22.0|0.66|0.520|0.650|
|SDR0302-270ML|27.0|± 20|23|2.52|20.0|0.75|0.480|0.550|
|SDR0302-330KL|33.0|± 10|20|2.52|18.0|0.85|0.420|0.500|
|SDR0302-390KL<br>~~SSS~~|39.0<br>~~SSS~~|± 10<br>~~SSS~~|24<br>~~SSS~~|2.52<br>~~SSS~~|18.0<br>~~SSS~~|1.12<br>~~SSS~~|0.380<br>~~SSS~~|0.450<br>~~SSS~~|
|SDR0302-470KL<br>~~SSS~~|47.0<br>~~SSS~~|± 10<br>~~SSS~~|23<br>~~SSS~~|2.52<br>~~SSS~~|17.0<br>~~SSS~~|1.27<br>~~SSS~~|0.360<br>~~SSS~~|0.400<br>~~SSS~~|
|SDR0302-560KL<br>~~SSS~~|56.0<br>~~SSS~~|± 10<br>~~SSS~~|18<br>~~SSS~~|2.52<br>~~SSS~~|16.0<br>~~SSS~~|1.45<br>~~SSS~~|0.340<br>~~SSS~~|0.350<br>~~SSS~~|
|SDR0302-680KL<br>~~SSS~~|68.0<br>~~SSS~~|± 10<br>~~SSS~~|24<br>~~SSS~~|2.52<br>~~SSS~~|14.0<br>~~SSS~~|1.85<br>~~SSS~~|0.300<br>~~SSS~~|0.320<br>~~SSS~~|
|SDR0302-820KL<br>~~SSS~~<br>~~ee~~|82.0<br>~~SSS~~<br>~~ee~~|± 10<br>~~SSS~~<br>~~ee~~|24<br>~~SSS~~<br>~~ee~~|2.52<br>~~SSS~~<br>~~ee~~|12.0<br>~~SSS~~<br>~~ee~~|2.10<br>~~SSS~~|0.280<br>~~SSS~~|0.300<br>~~SSS~~|
|SDR0302-101KL<br>~~SSS~~<br>~~ee~~|100.0<br>~~SSS~~<br>~~ee~~|± 10<br>~~SSS~~<br>~~ee~~|40<br>~~SSS~~<br>~~ee~~|0.796<br>~~SSS~~<br>~~ee~~|10.0<br>~~SSS~~<br>~~ee~~|2.85<br>~~SSS~~|0.260<br>~~SSS~~|0.280<br>~~SSS~~|
|SDR0302-121KL<br>~~ee~~|120.0<br>~~ee~~|± 10<br>~~ee~~|40<br>~~ee~~|0.796<br>~~ee~~|10.0<br>~~ee~~|3.20|0.220|0.250|
|SDR0302-151KL<br>~~ee~~<br>~~SSSSSeSee~~|150.0<br>~~ee~~<br>~~SSSSSeSee~~|± 10<br>~~ee~~<br>~~SSSSSeSee~~|38<br>~~ee~~<br>~~SSSSSeSee~~|0.796<br>~~ee~~<br>~~SSSSSeSee~~|9.0<br>~~ee~~<br>~~SSSSSeSee~~|4.60<br>~~SSSSSeSee~~|0.200<br>~~SSSSSeSee~~|0.230<br>~~SSSSSeSee~~|
|SDR0302-181KL<br>~~ee~~<br>~~SSSSSeSee~~|180.0<br>~~ee~~<br>~~SSSSSeSee~~|± 10<br>~~ee~~<br>~~SSSSSeSee~~|45<br>~~ee~~<br>~~SSSSSeSee~~|0.796<br>~~ee~~<br>~~SSSSSeSee~~|8.5<br>~~ee~~<br>~~SSSSSeSee~~|5.00<br>~~SSSSSeSee~~|0.185<br>~~SSSSSeSee~~|0.210<br>~~SSSSSeSee~~|
|SDR0302-221KL<br>~~ee ~~<br>~~SSSSSeSee~~|220.0<br> ~~ee~~<br>~~SSSSSeSee~~|± 10<br>~~ee~~<br>~~SSSSSeSee~~|40<br>~~ee ~~<br>~~SSSSSeSee~~|0.796<br> ~~ee ~~<br>~~SSSSSeSee~~|8.0<br> ~~ee~~<br>~~SSSSSeSee~~|5.70<br>~~SSSSSeSee~~|0.170<br>~~SSSSSeSee~~|0.190<br>~~SSSSSeSee~~|
|SDR0302-271KL|270.0|± 10|45|0.796|7.0|8.60|0.150|0.170|
|SDR0302-331KL|330.0|± 10|40|0.796|6.0|10.00|0.130|0.150|
|SDR0302-391KL<br>~~SSS~~|390.0<br>~~SSS~~|± 10<br>~~SSS~~|40<br>~~SSS~~|0.796<br>~~SSS~~|5.5<br>~~SSS~~|10.80<br>~~SSS~~|0.120<br>~~SSS~~|0.140<br>~~SSS~~|
|SDR0302-471KL<br>~~SSS~~|470.0<br>~~SSS~~|± 10<br>~~SSS~~|42<br>~~SSS~~|0.796<br>~~SSS~~|5.0<br>~~SSS~~|14.30<br>~~SSS~~|0.105<br>~~SSS~~|0.130<br>~~SSS~~|
|SDR0302-561KL<br>~~SSS~~|560.0<br>~~SSS~~|± 10<br>~~SSS~~|43<br>~~SSS~~|0.796<br>~~SSS~~|4.8<br>~~SSS~~|16.00<br>~~SSS~~|0.095<br>~~SSS~~|0.120<br>~~SSS~~|
|SDR0302-681KL<br>~~SSS~~|680.0<br>~~SSS~~|± 10<br>~~SSS~~|43<br>~~SSS~~|0.796<br>~~SSS~~|4.3<br>~~SSS~~|18.00<br>~~SSS~~|0.085<br>~~SSS~~|0.110<br>~~SSS~~|
|SDR0302-821KL<br>~~SSS~~<br>~~———~~|820.0<br>~~SSS~~<br>~~es~~|± 10<br>~~SSS ~~<br>~~es~~|45<br> ~~SSS~~<br>~~es~~|0.796<br>~~SSS~~<br>~~es~~|4.0<br>~~SSS~~<br>~~es~~|22.50<br>~~SSS~~<br>~~es~~|0.080<br>~~SSS~~<br>~~es~~|0.100<br>~~SSS~~<br>~~es~~|
|SDR0302-102KL<br>~~———~~|1000.0<br>~~es~~|± 10<br>~~es~~|40<br>~~es~~|0.252<br>~~es~~|3.2<br>~~es~~|26.00<br>~~es~~|0.070<br>~~es~~|0.090<br>~~es~~|
|SDR0302-122KL<br>~~———~~|1200.0<br>~~es~~|± 10<br>~~es~~|40<br>~~es~~|0.252<br>~~es~~|3.0<br>~~es~~|30.00<br>~~es~~|0.060<br>~~es~~|0.080<br>~~es~~|



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Electrical Schematic<br>1 4<br>**----- End of picture text -----**<br>


## ~~**Typical Part Marking**~~ 

## ~~**General Specifications**~~ 

Reflow Soldering ...230 °C, 50 sec. max. Operating Temperature .....................................-40 °C to +125 °C (Temperature rise included) Storage Temperature .................................-40 °C to +125 °C Resistance to Soldering Heat ..................................260 °C for 5 sec. ~~**Materials**~~ Core .......................................Ferrite DR Wire .............Enameled copper wire 130 Terminal.....................................Ag/Ni/Sn Rated Current ...................Ind. drop 10 % typ. at Isat Temperature Rise ..................40 °C max. at rated Irms Packaging ..................2000 pcs. per reel 

## ~~**Product Dimensions**~~ 

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3.0 ± 0.3<br>(.118 ± .012)<br>MAX.<br>2.5 ± 0.3<br>MAX.<br>(.098 ± .012)<br>0.9<br>TYP.<br>(.035)<br>2.8 ± 0.3<br>MAX.<br>(.110 ± .012)<br>i<br>W271<br>Recommended Layout<br>3.0<br>(.118) 1.4<br>(.055)<br>0.8<br>(.031)<br>1.4<br>ee  e e<br>(.055)<br>MM<br>DIMENSIONS:<br>(INCHES)<br>**----- End of picture text -----**<br>


## ~~**Recommended Layout**~~ 

**100** 

*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and                                                                                          actual device performance may vary over time. Users should verify actual device performance in their specific applications. 

## **SDR0302 Series - SMD Power Inductors** 

## ~~**Packaging Specifications**~~ 

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2.0 ± 0.5<br>330.0 (.079 ± .020)<br>(13.00) 18.4<br>-{- DIA. (.724) -p<br>THICKNESS<br>0.10<br>21.0 ± 0.8 13.0 ± 0.5 (.004)<br>(.827 ± .031) (.512 DIA.± .020) MAX.<br>EMBOSSED<br>“ | sy UG 50.0 nN Lo CAVITY<br>(1.969)<br>13.0 ± 0.5<br>i= (.512 ± .020) [DIA.] B<br>EMBOSSED<br>CARRIER a<br>14.0<br>—{b<br>(.551)<br>**----- End of picture text -----**<br>


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8.0 4.0<br>END (.315) (.157) START<br>To. atte c ee ]fT<br>12.0<br>(.472)<br>jOGOSooa\HO d<br>NO COMPONENT NO COMPONENT<br>200 400<br>Jf COMPONENTS<br>(7.874) (15.748)<br>USER DIRECTION OF FEED<br>a<br>QTY: 2000 PCS. PER REEL<br>MM<br>DIMENSIONS:<br>(INCHES)<br>**----- End of picture text -----**<br>


REV. 11/16 

Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. 



## Links

- [View this product on Novapart](https://novapart.co/products/SDR0302-221KL/power-inductor-smd-220-h-170-ma-unshielded-190)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/bourns/sdr0302-221kl/inductor-220uh-10-0-17a-smd/dp/2328681RL)
---

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